Balance Sheets (Unaudited) (USD $)	Mar. 28, 2015	Dec. 27, 2014
Current assets:
Cash and cash equivalents	$ 2,171,974	$ 2,305,580
Accounts receivable-trade, net	4,084,110us-gaap_AccountsReceivableNet	3,589,191us-gaap_AccountsReceivableNet
Inventories, net	2,533,671us-gaap_InventoryNet	2,528,954us-gaap_InventoryNet
Prepaid expenses and other current assets	205,394	166,783
Deferred taxes	666,448us-gaap_DeferredTaxAssetsNetCurrent	682,968us-gaap_DeferredTaxAssetsNetCurrent
Total current assets	9,661,597us-gaap_AssetsCurrent	9,273,476us-gaap_AssetsCurrent
Property and equipment:
Production equipment	8,179,447us-gaap_MachineryAndEquipmentGross	8,085,095us-gaap_MachineryAndEquipmentGross
Furniture and office equipment	404,856us-gaap_FurnitureAndFixturesGross	404,856us-gaap_FurnitureAndFixturesGross
Leasehold improvements	832,410us-gaap_LeaseholdImprovementsGross	759,819us-gaap_LeaseholdImprovementsGross
Total cost	9,416,713us-gaap_PropertyPlantAndEquipmentGross	9,249,770us-gaap_PropertyPlantAndEquipmentGross
Accumulated depreciation and amortization	(8,189,591)	(8,047,561)
Construction in progress	485,986us-gaap_ConstructionInProgressGross	555,334us-gaap_ConstructionInProgressGross
Net property and equipment	1,713,108us-gaap_PropertyPlantAndEquipmentNet	1,757,543us-gaap_PropertyPlantAndEquipmentNet
Deferred taxes, non-current portion	1,606,777us-gaap_DeferredTaxAssetsNetNoncurrent	1,617,497us-gaap_DeferredTaxAssetsNetNoncurrent
Total Assets	12,981,482us-gaap_AssetsNet	12,648,516us-gaap_AssetsNet
Current liabilities:
Accounts payable	1,686,928us-gaap_AccountsPayableCurrent	1,352,418us-gaap_AccountsPayableCurrent
Accrued expenses	886,237us-gaap_AccruedLiabilitiesCurrent	1,049,616us-gaap_AccruedLiabilitiesCurrent
Total current liabilities	2,573,165us-gaap_LiabilitiesCurrent	2,402,034us-gaap_LiabilitiesCurrent
Stockholders equity:
Common stock, $0.01 par value, authorized 20,000,000 and 15,000,000 shares; issued 13,334,792 and 13,293,092 shares; outstanding 13,165,019 and 13,144,489 shares; at March 28, 2015 and December 27, 2014, respectively	133,348us-gaap_CommonStockValueOutstanding	132,931us-gaap_CommonStockValueOutstanding
Additional paid-in capital	34,913,344us-gaap_AdditionalPaidInCapital	34,763,698us-gaap_AdditionalPaidInCapital
Accumulated deficit	(24,241,777)	(24,315,564)
Less cost of 169,773 and 148,603 common shares repurchased at March 28, 2015 and December 27, 2014, respectively	(396,598)us-gaap_TreasuryStockValue	(334,583)us-gaap_TreasuryStockValue
Total stockholders equity	10,408,317us-gaap_StockholdersEquity	10,246,482us-gaap_StockholdersEquity
Total liabilities and stockholders equity	$ 12,981,482	$ 12,648,516

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23315-112656

+ Details

Name:	us-gaap_TreasuryStockValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant